Home / 9,193.22-12,687.58-5,417.56

Finding the Fourth Proportional to 9,193.22, 12,687.58 and 5,417.56

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Solution

The fourth proportional to 9,193.22, 12,687.58 and 5,417.56 is: 7,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.22 : 12,687.58 = 5,417.56 : x
  2. Step 2: Convert to fraction form
    9,193.22/12,687.58 = 5,417.56/x
  3. Step 3: Cross multiply
    9,193.22x = 12,687.58 × 5,417.56
  4. Step 4: Simplify right side
    9,193.22x = 68,735,725.90
  5. Step 5: Solve for x
    x = 68,735,725.90/9,193.22
  6. Step 6: Final answer
    x = 7,476.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.